Penalty guides
7 practical guides from Form5472 Prep on Penalty for foreign-owned US LLC owners.

What the IRS Can Ask For: Form 5472 Records and § 1.6038A-3
The $25,000 Form 5472 penalty also hits failure to keep records. See what § 1.6038A-3 requires and which document evidences each reportable transaction.

Which IRS Notice Did You Get? Decoding Form 5472 Penalty Letters
Decode the number on your IRS envelope — CP215, CP259, CP518B, CP161, CP162, CP504, LT11 and Notice 972CG — and what each one asks a filer for.

Form 5472 Reasonable Cause: The Small-Corporation Rule
A Treasury rule tells the IRS to read reasonable cause liberally for small corporations. See its three conditions and how to use them for a late Form 5472.

Form 5472 Reasonable Cause Letter: What to Include
A Form 5472 reasonable cause letter needs a dated, evidence-backed account of ordinary care — here's what to include and what the IRS credits.

Form 5472 Statute of Limitations: How Far Back?
Missing Form 5472 can keep the IRS assessment period open. See how the three-year clock starts and how to catch up old years.

How to Correct a Mistake on a Filed Form 5472
Found an error after filing Form 5472? Review corrected-package considerations, amendment labelling, supporting records and the limits of current instructions.

I Got a $25,000 Form 5472 Penalty Notice — Now What?
Got a $25,000 Form 5472 penalty notice? Here's what CP215 means, why a reasonable-cause letter gets ignored, and how to respond before the deadline.